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A 10 kg block is sitting on a ramp inclined at 30 degrees above the horizontal. A horizontal force of 5 N is applied to the block horizontally to the right. If the coefficient of kinetic force is .2, find the acceleration of the block.
A catcher catches a 145 baseball traveling horizontally at 32.0. what average force did the ball exert on the catcher
A woman who can row a boat at 7.3 km/h in still water faces along, straight river with a width of 6.8 km and a current of 3.3km/h. Let point directly across the river and point directly downstream. If she rows in a straight lineto a point directly..
A piece of glass has a temperature of 77.0 °C. Liquid that has a temperature of 39.0 °C is poured over the glass, totally covering it, and the temperature at equilibrium is 50.0 °C. The mass of the glass and the liquid is the same.
A spacecraft is in a circular orbit regarding the moon, 1.76x10 5 m above its surface. The speed of the spacecraft is1800 m/s, and the radius of the moon is 1.74x 10 6 m. If the moon were a smooth, reflective surface,
An electric field of magnitude 5.25 105 N/C points due west at a certain location. Find the magnitude and direction of the force on a
Imagine that we define the rear end of a train 120 m long to long to define the origin X'=0 in the train frame and we define a certain track signal light to define the origin X=0 in the track frame. Where does this event occur in the train frame
Rank these designs in order of level of internal validity, from lowest to highest: pre-experimental design true experimental design quasi-experimental design
An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 180 N, toward the east, on the boat. What is the kinetic energy of the iceboat
A ball is thrown straight up from an initial position yi = 1.00 m above ground level with an initial velocity v0. Calculate the height of the ball above the ground when it is at its highest point
i what is the core difference between electric and magnetic forces?ii how domaxwells equations showthis?iii how would
A rail car that weighs 34 N is accelerated at 8.3 m/s/s for 5.9 seconds. How much work is done on the rail car? The acceleration is constant
A sled of mass m is given a kick on a frozenpond. The kick imparts to it an initial speed of 2.00m/s. find the distance the sled moves before it stops
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